Senior Backend Engineer (Golang) – Spanish Market

Job Details

• Location: Based in Spain

• Language requirements: English professional proficiency, and ideally you are fluent speaking Spanish.

• Experience requirements: 5 years as fulltime Backend Developer, preferably working with Golang and other OOP languages

• Gross salary range: EUR 45k - 70k/year 

• Employment type: no freelancing, full time

🚀 Join fiskaly! Help Us Simplify Receipts for Millions

Millions of people interact with fiskaly every day, even if they don’t realize it. As a B2B company, we power the retail technology behind digital receipts and secure, legally compliant transactions. In Italy, we help retailers go fully digital and eliminate the need for hardware like fiscal printers to issue and manage receipts.

By making receipts tamper-proof through digital signatures, we help fight tax fraud. And with our paperless receipt solution, we offer consumers a modern alternative while helping merchants streamline their operations.

Sure, our solutions sound complex but our mission is simple: make receipts easy for everyone.

💼 The Role

You are responsible for creating software solutions according to the requirements of our products. You'll get the chance to shape how the future of our solutions will look like. Your technical expertise, problem-solving abilities, creativity, and collaboration skills are key to deliver a successful outcome.

🛠️ What You’ll Do

• You’ll be part of one of our teams formed out of 3 - 7 people

• You’ll get an end2end delivery responsibility from developing, deploying, up to monitoring the software you and the team will create. We strive to achieve this by employing a Continuous Everything approach to our day-to-day activities (also known as GitOps)

• You'll be working on one of our API first SaaS solutions for fiscalization or related areas

• You'll get the chance to design and evolve the unified interface for all our services

• You'll take care that our documentation is kept relevant and supports us internally and externally

👀 What You Bring

• You value diversity and inclusion, regardless of gender, heritage, beliefs, or identity

• You have knowledge about distributed systems and proven experience working with them

• You have experience with Docker or similar container platforms

• You have experience with RESTful and RPC based APIs

• You can effectively communicate abstract ideas and concepts to others

• You are, preferably, allowed to work within the EU Borders

• You have experience or a strong interest in integrating AI and automation into software solutions to build innovative and efficient tools

• You’ll actively apply AI/ML tools (e.g., code generation, anomaly detection, test automation) to enhance software quality, performance, and efficiency

You'll impress us if

• You have knowledge about SOLID principles and design patterns

• You’ve applied AI to improve backend systems—whether through automated scaling, anomaly detection, or intelligent logging

• You have experience working in a Continuous Everything environment (GitOps)

• You bring an honest interest in modern cloud computing services such GCP, and ideally you already have practical experience with Kubernetes services and their deployment

• You have working experience with asynchronous message / event based systems (RabbitMQ, Kafka, PubSub, ...)

• You have knowledge about different types of database systems and when to best apply them (relational, document storage, key-value, ...)

• You dare to lead, and your are curious to discover new ways of solving complex problems

• You are willing to develop yourself continuously, personally, and professionally

✅ What We Offer

We’re building products that matter, and we know that takes focus, trust, and the right environment. Here’s what you can expect:

• A team that gives you space to grow, take ownership, and learn from trying

• 22 vacation days per year

• Flexible working hours and a hybrid work setup

• Budget for personal and professional development

• Hardware of your choice (Windows, Linux, or Mac)

• A company culture that values clarity, well-being, and good work over noise

✨ Why fiskaly?

We work on real problems that have impact, not vanity projects. Our team is pragmatic, direct, and focused on building solid tech for an industry that needs it. We care about how things work, not how they look on paper.

If that resonates, you’ll probably enjoy working here.